Pbnter



C. C. CARPENTER,

ELECTRiCAL TERMINAL CONNECTION.

APPLISATIONHLED NOV. 19,1914.

wa m Patelited Aug. 1,1916.

CAMPBELL C. CARPENTER, 0F NIAGARA Li ASSIGNMENTEQ 330 ll. 55. LIGHT 8;";HEAT 03K, A CQR-PQEATION 6F NEW YORK.-

ELECIERICAL FEET/IL Implication. filed November 19', 3%14; H.

'pzinying chmving, forming a part of this specification.

My invention relates to improvements electrical terminal connections.

On e manner of connecting.battery cells together has been to join eachpair of zicljaccnt terminals with :1 her of leeil, oi. other suitablematerieh The bar seem l to the top of each terminal pos by a bolthaving;

one end embedded in the post, while the other end passes through. an.opening in.

the bar and provided with ii suitable clamping nut. The bolt ie'i'iemilly ma le oi? iii-ass oiyothei' relatively lHLlil .mctch so thatin service it sometimes becomes coii'od l to such an extent thutiteutility is (lest )yecl, and a. new one must he suhstituteth When thiscondition arises an entire new terminal must be installed, it isimpossible to 1 0 move the corroded bolt "from the post Withoutdestroying the post, due to the fact that the bolt is cost integrallytherewith,

One of the objects of the present invem tion is to pi'ovicle an electrictei'minai connectioii wherein the clamping device new )0 expeditiouslyattached to m. removed fa-om. the terminal.

Another object of the invention to provicle 3 11 electric terminalconnection in which the clamping ilev'ie is ii-elected from thecorrosive action of hat/cry aichl mail fumes,

Dther objects oi the invci'itioii will lHJKCiZE- tion, of two connectedto sectional view oi one oi hie in Fig. 1, taken through t5: 1 ing inthe direction of the iii'irovn Y iiig {lfifVjlfzG heing detached.therefrom: hie.

' 3 's a pei'epective v'lloW of the bolt and clock ranged on iii B o. W

in which if? i tionail vent inch rests on formed w each cmh miiiiilport:

I l iieiialeil in it onzil him i the bolt ii stresses. .5

lating the parts,

with a filler of Vaseline, or other heavy oily substance, to excludebattery acid and fumes from the joints.

In order to prevent the tapered block from turning or falling when theparts are being assembled, the base of the terminal is provided with ahorizontal bore 17, which registers with the groove 18, formed acrossthe end of the tapered block. A pin 19 of hard rubber, or other suitablematerial, passes through the bore and the groove and serves to securelylock the block in position.

This improved construction possesses decided advantages over the oldform of terminal connection in that the bolt maybe readily removed fromthe post should it become corroded in service, and a new onesubstistituted therefor; it being merely necessary to remove the blockin which the bolt is embedded from the post and insert another one inits place. Another important feature of this construction i's-that allof the hard metalparts, and especially the screw-threaded portions, areprotected from the corrosive action of the battery acid and fumes.

In Fig. 4 of the drawings, a modified form of clamping device isillustrated, in which the arrangement of the nut and bolt is reversed;the'nut 20 being embedded in the tapered block. In this construction thebolt 21 is formed with a head having an inclosing casing substantiallythe same as that employed with the nut illustrated in Fig. 1. Ifdesired, the lead block may be dispensed with and the bolt-or nutmodified in configuration to conform to the contour of-the tapei-edopening in the post. i

The embodiments of my invention described herein have been selectedmerely for the purpose of illustration, and .it is to be understood thatthe invention covers all equivalent means for accomplishing the desiredresults, so' long as such means fall within tho-scope of the appendedclaims.

' What I claim as new and desire to secure by Letters Patent of theUnited States, is-

1. Means for attaching a battery connector to a battery terminal lugincluding in combination, the battery terminal lug of relatively softacid-proof material, said ter-.

minal having an opening therein, an insert of relatively hard conductingmaterial in said opening, a-battery connector, and means exerting astress on said relatively hard material for clamping said connector to'said terminal, said insert being readily removable from said terminalwithout muti whereby said insert may be renewed or repaired withoutdestroying the terminal.

2. In combination, a battery terminal having a tapered aperturetherethrough, a conducting member to be clamped to said terminal,atapered screw'threaded member of relatively hard material rcmovablyfitted in said aperture, and a threaded nut carried by saidtaperedmember, said tapered mem. ber and threaded nut cooperating to clamp saidconducting member to said terminal.

3. In combination, a battery terminal having a. tapered openingtherethrough, a con ducting member to be clamped to said terminal, atapered threaded member removably fitted in said opening, and a threadedstud cooperating with said threaded tapered member, said tapered memberand threaded stud cooperating to clamp said conducting member to saidterminal.

4. In an acid-proof battery terminal connection, in combination, aterminal having threaded portion fitted in said aperture, said portionbeing removable from one end only of said aperture, said clamping devicealso having a threaded portion adapted to cooperate with the threadedportion fitted in saidaperture to clamp said conducting member to saidterminal. I

6. In combination, a battery terminal having an aperture formedvertically there through and a substantially horizontal bore, a clampingdevice attached to said terminal, said device having a portion formed"with a. grooved end and fitted in said aperture, and a pin passingthrough said bore and groove whereby said clamping device is held-aainst displacement.

7. A battery terminal lag of relatively soft acid-proof material and arelatively hard metallic insert in said terminal form'- ing one ofcooperating clamping members adapted to clamp abattery connector to theterminal, said insert being readily removable for renewal or repairwithout mutilation of the terminal lug. ,j-

8. In combination, a battery terminal lug of relatively soft materialprovided with a tapered opening, a hard metallic insert fit-l ted insaid opening butflreadily removable therefrom without mutilation of thelug. and an additional relatively hard member adapted to coiiperate withsaid insert to clamp a separable battery connector to said lug. I i

9. In COITIlJlIltltlOI), a lead battery terminal having a taperedopening therethrough, a tapered lead plug removably fitted in Saidopening, an'insert of relatively hard material in said plug, said insertbeing 130 provided with "screW-threads, a separable scribed my name intheprese'nce of two wit- I vbattery cqnnecigoradapted to be'clampedmasses.

t0 onQJendQQf the lug, and a screw-threaded v V 5 member coiiperatingwith the screw-threaded V CAMPBELL CARPENTER 5 insert to clamp saidconnector to said $81- Witnesses:

mina'l. WM. A. FURBAYNE,

In-wltness Wheredf have heruntd'sfib v CHAS. D. ADAMS.

